Mammogram marker



FIG. 1 is a top plan view of a mammogram marker showing my new design;

FIG. 2 is a front elevation view thereof, the rear being identical to the front; and,

FIG. 3 is a left side elevation view thereof, the right side being identical to the left.

The bottom of the mammogram marker is flat and is devoid of surface ornamentation. 

The ornamental design for a mammogram marker, as shown and described. 